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<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        let person={
            name:'张三'
        }
        let p={}
        //就是能set跟get的原理 做了一系列操作
        Object.defineProperty(p,'name',{
            get(){
                return person.name
            },
            set(value){}
        })
    </script>
</body>
</html>